Home / 10,910.16-16,347.96-6,221.52

Finding the Fourth Proportional to 10,910.16, 16,347.96 and 6,221.52

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Solution

The fourth proportional to 10,910.16, 16,347.96 and 6,221.52 is: 9,322.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,910.16 : 16,347.96 = 6,221.52 : x
  2. Step 2: Convert to fraction form
    10,910.16/16,347.96 = 6,221.52/x
  3. Step 3: Cross multiply
    10,910.16x = 16,347.96 × 6,221.52
  4. Step 4: Simplify right side
    10,910.16x = 101,709,160.10
  5. Step 5: Solve for x
    x = 101,709,160.10/10,910.16
  6. Step 6: Final answer
    x = 9,322.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.